Finding the Fourth Proportional to 77,020,838.01, 106,273,048.55 and 45,645,057.09
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Solution
The fourth proportional to 77,020,838.01, 106,273,048.55 and 45,645,057.09 is: 62,980,869.77
Step by Step Solution
- Step 1: Write the proportion equation
77,020,838.01 : 106,273,048.55 = 45,645,057.09 : x - Step 2: Convert to fraction form
77,020,838.01/106,273,048.55 = 45,645,057.09/x - Step 3: Cross multiply
77,020,838.01x = 106,273,048.55 × 45,645,057.09 - Step 4: Simplify right side
77,020,838.01x = 4,850,839,367,964,867 - Step 5: Solve for x
x = 4,850,839,367,964,867/77,020,838.01 - Step 6: Final answer
x = 62,980,869.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.